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MEPS
Marine Ecology Progress Series

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MEPS 410:97-109 (2010)  -  DOI: https://doi.org/10.3354/meps08625

Effects of temperature and food concentration on the survival, development and growth rates of naupliar stages of Oithona davisae (Copepoda, Cyclopoida)

Rodrigo Almeda*, Albert Calbet, Miquel Alcaraz, Lidia Yebra, Enric Saiz

Institut de Ciències del Mar (CSIC), P. Marítim de la Barceloneta 37–49, 08003 Barcelona, Spain

ABSTRACT: Oithona spp. are probably the most abundant and ubiquitous copepods in the world’s oceans. However, knowledge of their development and growth rates is scarce compared to that of calanoid copepods. In the present laboratory study, we determined the survival, development and growth rates of the naupliar stages of Oithona davisae under different temperature regimes and food concentrations. Naupliar survival was reduced to approximately 60% at the lowest food concentration tested (11 µg C l–1 after 7 d at 20°C). The development of O. davisae nauplii was equiproportional, but not isochronal. Food concentrations required for maximum development and growth rates were 56 and 87 µg C l–1, respectively. The Q10 values for development and growth depended on the temperature range. O. davisae nauplii showed similar developmental times, but lower growth rates and food requirements than values reported in the literature for calanoid copepods. We suggest that these differences may help to explain the ubiquity of Oithona spp. in oceanic environments.
Erratum


KEY WORDS: Nauplii · Oithona davisae · Growth · Development · Survival · Food · Temperature


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Cite this article as: Almeda R, Calbet A, Alcaraz M, Yebra L, Saiz E (2010) Effects of temperature and food concentration on the survival, development and growth rates of naupliar stages of Oithona davisae (Copepoda, Cyclopoida). Mar Ecol Prog Ser 410:97-109. https://doi.org/10.3354/meps08625

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